Home / 18,325.59-25,284.90-10,771.34

Finding the Fourth Proportional to 18,325.59, 25,284.90 and 10,771.34

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Solution

The fourth proportional to 18,325.59, 25,284.90 and 10,771.34 is: 14,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.59 : 25,284.90 = 10,771.34 : x
  2. Step 2: Convert to fraction form
    18,325.59/25,284.90 = 10,771.34/x
  3. Step 3: Cross multiply
    18,325.59x = 25,284.90 × 10,771.34
  4. Step 4: Simplify right side
    18,325.59x = 272,352,128.34
  5. Step 5: Solve for x
    x = 272,352,128.34/18,325.59
  6. Step 6: Final answer
    x = 14,861.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.